CN108782791A - A kind of green bud preparation method - Google Patents
A kind of green bud preparation method Download PDFInfo
- Publication number
- CN108782791A CN108782791A CN201810517410.1A CN201810517410A CN108782791A CN 108782791 A CN108782791 A CN 108782791A CN 201810517410 A CN201810517410 A CN 201810517410A CN 108782791 A CN108782791 A CN 108782791A
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- China
- Prior art keywords
- tealeaves
- spreading
- cooling
- tea
- leaf rotation
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/12—Rolling or shredding tea leaves
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
Abstract
The invention belongs to the manufacture of coffee, tea or its substitute, configuration or brewing art fields, disclose a kind of green bud preparation method, include the following steps：Leaf rotation：Tealeaves fresh tea passes are put into vibration machine and carry out leaf rotation；Water-removing：It will finish in tealeaves input green-keeping machine after leaf rotation；Spreading for cooling：Tealeaves after water-removing is taken out, and carries out spreading for cooling；Screening：Tealeaves after spreading for cooling is sieved, the tea stalk in tealeaves is chosen；It rubs：Tealeaves after spreading for cooling is rubbed into molding using rolling machine；Drying：The moisture in the tealeaves after rubbing is dried using dryer；Titian：Tealeaves dispensing after drying is subjected to Titian in fragrance extracting machine.The present invention solves the tea stalk in prior art tealeaves and is not easy to screen out so that the problem of content of tea stalk is high in tealeaves, and the quality of tealeaves reduces.
Description
Technical field
The invention belongs to the manufacture of coffee, tea or its substitute, configuration or infusion arts, and in particular to a kind of green bud preparation
Method.
Background technology
Green bud is one kind of green tea, belongs to flat class in green tea, mainly produced in Guizhou Province Meitan County, therefore also known as Meitan
Green bud tea, mainly with shape smooth flat, likeness in form sunflower seeds, hidden milli it is dilute see, that green emerald green, the fragrance delicate fragrance of color and luster pleases nose, flavour is mellow
It is tasty and refreshing, aftertaste is sweet, soup look it is yellowish green it is bright, tea residue is light green neat and well spaced and well-known.
The processing history of green bud is long, and the processing of traditional green bud includes mainly water-removing, spreading for cooling, rubs, dries, Titian step
Suddenly.Understand during due to tea-processing and the actions such as be stirred, stir, rub to tealeaves, the tea stalk on tealeaves can be caused to fall
It falls, and the shape of tea stalk and tealeaves is closely similar after tea-leaf forming, causes tea stalk in tealeaves to be not easy to sift out so that in tealeaves
Tea stalk content it is high, the quality of tealeaves reduces.
Invention content
The invention is intended to provide a kind of green bud preparation method, it is not easy to screen out to solve the tea stalk in prior art tealeaves, makes
The problem of content for obtaining tea stalk in tealeaves is high, and the quality of tealeaves reduces.
To achieve the above object, the present invention provides the following technical solutions, and a kind of green bud preparation method includes the following steps：
A, leaf rotation：
Flood dragon screw rod is set inside vibration machine, while several through-holes are set on leaf rotation bucket, and by tealeaves fresh tea passes
It puts into and carries out leaf rotation in vibration machine；
B, it finishes：
Tealeaves after leaf rotation in step A is utilized to 200-230 DEG C of temperature water-removing 5-8min；
C, spreading for cooling：
Tealeaves after finishing in step B is taken out, from shady place spreading for cooling 80-100min, tealeaves is stacked when spreading for cooling thickness
For 3-5cm, and stirred once every 10-15min；
D, it sieves：
Tealeaves after spreading for cooling in step C is sieved, the tea stalk in tealeaves is chosen；
E, it rubs：
Tealeaves after spreading for cooling in step D is rubbed into molding using rolling machine；
F, it dries：
The moisture in the tealeaves after being rubbed in step E is dried using dryer, is dried at a temperature of 150-180 DEG C first
Dry 10-15min, then dry 8-9min at a temperature of 60-70 DEG C；
G, Titian：
Tealeaves after being dried in step F is launched and carries out Titian 20-30min in fragrance extracting machine, and is made in fragrance extracting machine
Temperature is maintained at 70-80 DEG C, finally obtains green bud tealeaves finished product.
The advantageous effect of the technical program：
When making flood dragon screw rod make leaf rotation by setting, tealeaves is in contact with flood dragon screw rod, and passes through flood dragon spiral shell
Swing arm winds tealeaves so that when tealeaves rotates, blade is detached with tea stalk, while under the centrifugation force effect when rotation of leaf rotation bucket, being made
It obtains the smaller tea stalk of diameter to be discharged in vibration machine by through-hole, realizes the initial gross separation of the blade and tea stalk of tealeaves.Due to leaf rotation
When, the blade of tealeaves does not have heated curling, therefore size is larger, not easily passs through through-hole discharge, the effect for enabling to tea stalk to detach
More preferably, so that the content of tea stalk is few in the tealeaves prepared, the quality of tealeaves is good for fruit.
Tealeaves is sieved after spreading for cooling, can either make tealeaves during shake, distributes moisture, and can
It avoids sieving after rubbing, the case where being not easy to sieve caused by tea stalk is wrapped in blade occurs, further clear to realize
Tea stalk in tealeaves improves the quality of tealeaves.
Further, the rotating speed of leaf rotation bucket is 250-300r/min in the step A.
Advantageous effect：The effect of leaf rotation is best under the rotating speed, and is capable of providing enough centrifugal force and makes and tealeaves
The tea stalk of leaf abscission is thrown out of, and realizes the separation to the blade and tea stalk of tealeaves.
Further, when finishing in the step B, the amount of the tealeaves of input water-removing bucket is 15-20kg.
Advantageous effect：Can be so that green-keeping machine to be to tea green-keeping best results, tealeaves can uniformly be overturn in water-removing bucket,
Improve the effect of water-removing.
Further, when being rubbed in the step E, the temperature of rolling machine is 40-50 DEG C.
Advantageous effect：Rubbing tealeaves at this temperature, not only convenient tea leaf is molded, but also is avoided that tealeaves becomes fragile, and avoids tealeaves by powder
It is broken.
Further, when being dried in the step F, every barrel of tea amount is 10-13kg.
Advantageous effect：So that tealeaves is uniformly dried.
Further, after the completion of in the step G to tea aroma raising, it is cold less than 20 DEG C that temperature is quickly passed through into fragrance extracting machine
Gas cools down tealeaves.
Advantageous effect：By being passed through cold air, can the tealeaves after Titian be quickly cooled, avoid leading because temperature is excessively high
The vapor that fragrance in the tealeaves of cause is evaporated is taken away, and the effect fragrant to tealeaves lock is played.
Description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Shell 1, negative pressure mouth 11, drying bucket 2, air inlet 21, air inlet pipe 211,
Gas outlet 22, escape pipe 221, air outlet valve 222, baffle 3, first lead to the 31, second through-hole 32, third through-hole 33, shaft 4, rotation
Blade 41, communicating pipe 5, spacing ring 51, slide plate 52, the first tapered bar 53, pressure relief opening 54, diversion pipe 6, air inlet section 61, inspiratory limb 62,
Air outlet section 63, air entry 64, gas-guide tube 7, the second tapered bar 8.
A kind of each parameter of green bud preparation method of the present invention is as shown in table 1,
Table 1
Now a kind of green bud preparation method of the present invention is illustrated by taking embodiment 1 as an example.
A kind of green bud preparation method, includes the following steps：
A, tea is selected：
2 top tealeaves of tea tree are chosen, and dry the moisture on surface after tealeaves is cleaned.
B, leaf rotation：
Vibration machine is internally provided with flood dragon screw rod, and the side wall of leaf rotation bucket is equipped with through-hole, and is thrown into leaf rotation bucket
Enter the tealeaves after being cleaned in step A.Start vibration machine so that the rotating speed of vibration machine is 280r/min, and leaf rotation bucket is driven
Tealeaves rotates, and tealeaves is wound with flood dragon screw rod, and the tea stalk on tealeaves is fallen.Tea stalk during leaf rotation bucket rotates by
To the effect of leaf rotation bucket centrifugal force, and since tea stalk is smaller, tea stalk can be thrown out of by the through-hole of leaf rotation bucket, realize tea
The separation of the blade and tea stalk of leaf.After 35min, vibration machine is closed, the tealeaves after leaf rotation is taken out spare.
C, it finishes：
The temperature of green-keeping machine is adjusted to 220 DEG C, then will be killed in the tealeaves input green-keeping machine after leaf rotation in step B
Blueness, every barrel of amount is 18kg, can destroy and be passivated the oxidase active in fresh tea passes by water-removing, inhibit the tea in fresh leaf more
The enzymatic oxidation of phenol etc. evaporates fresh leaf partial moisture, so that tealeaves is softened, while foul smell.Green-keeping machine is closed after 7min, and
Tealeaves after water-removing is taken out spare.
D, spreading for cooling：
Tealeaves after finishing in step B is taken out, and it is 4cm to spread the thickness in the cool, spread, is turned over every 13min
A tealeaves is moved, is collected tealeaves after 90min spare.
E, it sieves：
The tealeaves after spreading for cooling is sieved using sieve, the tea stalk being mingled in tealeaves is filtered out.
F, it rubs：
Tealeaves after being sieved in step E is put into rolling machine, and the temperature of rolling machine is adjusted to 45 DEG C, by rubbing
Machine is molded tea rolling, and rolling machine is closed after 11min, and will rub tealeaves after molding and take out.
G, it dries：
It is dried tealeaves after molding is rubbed in step F using dryer.As shown in Figure 1 and Figure 2, dryer includes
Rack is fixed with shell 1 in rack, and the left and right ends of 1 inner wall of shell vertically slidably connect block, it is equal to be additionally provided with both ends
With the drying bucket 2 of block rotation, be equipped with spring between the top of shell 1 and drying bucket 2, the bottom and 2 outer wall of drying bucket of shell 1 it
Between be equipped with sealant.The both ends of drying bucket 2 are equipped with the shaft 4 through baffle 3, and shaft 4 is rotatablely connected with baffle 3.Shaft 4
One end far from drying bucket 2 is rotatably connected to sliding block, and sliding block slidable connection is in rack；The shaft 4 on right side, which is equipped with, to be turned
Movable vane piece 41.
It dries bucket 2 and is equipped with inlet port and outlet port, and be equipped with sealing block in inlet port and outlet port.Dry bucket 2
Right side wall is equipped with multiple air inlets 21, and multiple air inlets 21 constitute annular of the axis as the center of circle to dry bucket, the gear on right side
Plate 3 is equipped with logical 31 holes of first be connected to air inlet 21, and the first logical 31 holes are equipped with air inlet pipe 211；Dry the left side wall of bucket 2
It is equipped with the gas outlet 22 of annular, the baffle 3 in left side is equipped with the second through-hole 32 being connected to gas outlet 22, on the second through-hole 32
Equipped with escape pipe 221, escape pipe 221 is equipped with block and air outlet valve 222, and torsional spring, outlet are equipped between air outlet valve 222 and block
Valve 222 is equipped with convex block.The diameter of gas outlet 22 is more than the diameter of air inlet 21, and the diameter of the second through-hole 32 is more than first logical 31
The diameter in hole.
The top of the baffle 3 in left side is equipped with the third through-hole 33 being connected to gas outlet 22, and third through-hole 33 is equipped with pressure release
Valve, when drying the pressure in bucket 2 and increasing to the setting threshold values of relief valve, relief valve is opened, and dries the gas in bucket 2 by the
Three through-holes 33 are discharged.The top of the baffle 3 in left side is equipped with communicating pipe 5, and the right end of communicating pipe 5 is connected to third through-hole 33.Connection
The inner wall of 5 left and right ends of pipe is all provided with restraining position ring block 51, and slide plate 52,52 right side of slide plate and right side are slidably connected in communicating pipe 5
Spring also is provided between spacing ring 51, the right side of communicating pipe 5 is equipped with pressure relief opening 54, outgassing nonreturn valve is equipped in pressure relief opening 54, when
When pressure on the right side of communicating pipe 5 increases, gas is discharged from pressure relief opening 54.The left side of slide plate 52 is equipped with the first tapered bar 53, in rack
The second tapered bar 8 coordinated with the first tapered bar 53 is slidably connected along longitudinal direction positioned at 5 left side of communicating pipe, when the first tapered bar 53 moves to left,
The second tapered bar 8 can be pressed down against；Spring is equipped between second tapered bar 8 and rack, and 8 bottom of the second tapered bar offsets with convex block.
The top of shell is equipped with diversion pipe 6, and diversion pipe 6 includes air inlet section 61, the inspiratory limb 62 set gradually from left to right
The internal diameter of air inlet section 61 and air outlet section 63 is respectively less than with the internal diameter of air outlet section 63, and inspiratory limb 62.Escape pipe 221 is far from baffle 3
One end be connected to air inlet section 61, gas-guide tube 7 is communicated in air outlet section 63, the outlet air end of gas-guide tube 7 is located at moving blade 41
Top；The lower wall of diversion pipe 6 is equipped with the air entry 64 being connected to inspiratory limb 62, and shell 1 is equipped with and is connected to air entry 64
Negative pressure mouth 11.
When being dried to tealeaves, the tealeaves after 12kg is rubbed is put by feed inlet in drying bucket 2, and passes through air inlet
Pipe 211 is passed through 170 DEG C of gas into drying bucket 2, and gas is contacted with tealeaves after being passed through drying bucket 2, dried to tealeaves.With
It the gas being passed through in drying bucket 2 to increase, the pressure dried in bucket 2 gradually increases, when the pressure in drying bucket 2 is more than relief valve
Threshold values when, relief valve is opened, and gas passes through third through-hole 33 and enters in communicating pipe 5 so that slide plate 52 slides to the left, to band
Dynamic first tapered bar 53 slides to the left.
First tapered bar 53 is pressed down against the second tapered bar 8 when sliding to the left so that second tapered bar 8 is pressed down against to offset therewith
Convex block dries the vapor generated when the gas and drying in bucket 2 by going out so that convex block drives air outlet valve 222 to open
Tracheae 221 is discharged, and is guided in diversion pipe 6.Gas transmits from left to right after entering diversion pipe 6, when gas passes through diversion pipe 6
Inspiratory limb 62 when, due to inspiratory limb 62 diameter be less than air inlet section 61 and air outlet section 63 diameter, constitute Venturi tube
Structure, according to bernoulli principle, gas flow velocity when inspiratory limb 62 increases, while the pressure of inspiratory limb 62 reduces, therefore
Can be by 64 air-breathing of air entry, it will be in the gas sucking diversion pipe 6 between shell 1 and drying bucket 2 so that drying bucket 2 can occur
The trend moved up.After gas is discharged from communicating pipe 5, it is discharged by gas-guide tube 7, gas, which is blown, to be sprinkling upon on moving blade 41, from
And moving blade 41 is driven to rotate so that moving blade 41 drives shaft 4 to rotate, to realize the rotation of drying bucket 2 so that dry
Dry bucket 2 drives tealeaves rotation, realizes that tealeaves is uniformly contacted with hot gas, to improve the uniformity of drying.
As the gas in drying bucket 2 is discharged by escape pipe 221, and the diameter of the second through-hole 32 is more than first logical 31
The diameter in hole, therefore the speed of outlet is faster than intake velocity so that the pressure in drying bucket 2 reduces.Relief valve is closed at this time, sliding
Plate 52 moves to right under the action of the spring, and the gas in communicating pipe 5 is discharged by pressure relief opening 54, and slide plate 52 drives the first tapered bar
53 move to left, and the first tapered bar 53 disappears for the extruding force of the second tapered bar 8, and the second tapered bar 8 moves up under the action of the spring, to make
The power for obtaining extrusion lug disappears, therefore air outlet valve 222 resets under the action of torsional spring, and gas is avoided to be discharged from escape pipe 221, this
When enter diversion pipe 6 gas disappear.And the space between shell 1 and drying bucket 2 passes through negative pressure mouth 11, air entry 64 and water conservancy diversion
Pipe 6 gradually keeps balancing with extraneous air pressure, so that drying bucket 2 has the trend moved down.So that drying bucket 2 occurs
Slight vibration enables to the tealeaves for being attached to drying 2 inner wall of bucket to fall, and and hot air impingement, realize drying.
After drying 12min, the gas being passed through is changed to 65 DEG C of gas into, then tealeaves is taken out after drying 8.5min.
H, Titian：
Tealeaves dispensing after being dried in step G carries out Titian in fragrance extracting machine, and the temperature of fragrance extracting machine is adjusted to 75 DEG C,
Fragrance extracting machine is closed after 25min, and is passed through 10 DEG C of cold air into fragrance extracting machine, and tealeaves is quickly cooled down, tealeaves is avoided
Fragrance emissions, to form green bud tealeaves finished product.
As shown in table 1, embodiment 2-6 and embodiment 1 the difference is that only that parameter is different.
Experiment：
Each parameter of comparative example 1-6 is as shown in table 2,
Table 2
Comparative example 1 and the unused dryer provided by the invention that differs only in of embodiment 1 are dried；Comparative example 2-
6 from embodiment 1 to differ only in each parameter different；Comparative example 7 is existing green bud preparation method, including water-removing, spreading for cooling, is rubbed
It twists, dry, Titian step, and the parameter of each step is same as Example 1.
Experiment one：
Tealeaves is prepared using embodiment 1-6 and comparative example the 1-7 preparation method provided, and the amount of fresh tea passes is 20kg,
And record following data：
A, after the completion of recording tea aroma raising, the percentage of damage (%) of tealeaves；
B, the tealeaves that 2kg is prepared is randomly selected, the tea stalk being mingled in tealeaves is picked out, the amount of tea stalk is (g)；
Experiment two：
Embodiment 1-6 and comparative example 1-7 the green bud tealeaves provided are brewed respectively in a manner of identical brew, and remembered
Record following data：
C, 100 experimenters are randomly selected, them is asked to drink 13 groups of different tea respectively, think that every group of tea is in good taste respectively
Number (people)；
D, feel the number (people) of the aromatic flavour of 13 groups of tea；
E, 13 groups of tea are stood into 3h respectively, whether is precipitated in teacup.
Experimental result is as shown in table 3,
Table 3
Be experimentally confirmed, the green bud preparation method that 1-6 of the embodiment of the present invention is provided when preparing green bud tealeaves, tealeaves
Percentage of damage is low, tea stalk content is low in tealeaves, and the mouthfeel of the tealeaves prepared is good, is not in aromatic flavour and teacup
Precipitation.The said effect of wherein embodiment 1 is best.
For those skilled in the art, under the premise of not departing from technical solution of the present invention, if can also make
Dry modification and improvement, these should also be considered as protection scope of the present invention, these all do not interfere with this patent implementation effect and
Patent practicability.
Claims (6)
1. a kind of green bud preparation method, which is characterized in that include the following steps：
A, leaf rotation：
Flood dragon screw rod is set inside vibration machine, while several through-holes are set on leaf rotation bucket, and tealeaves fresh tea passes are put into
Leaf rotation is carried out in vibration machine；
B, it finishes：
Tealeaves after leaf rotation in step A is utilized to 200-230 DEG C of temperature water-removing 5-8min；
C, spreading for cooling：
Tealeaves after finishing in step B is taken out, places spreading for cooling 80-100min in the cool, the thickness that tealeaves is stacked when spreading for cooling
For 3-5cm, and stirred once every 10-15min；
D, it sieves：
Tealeaves after spreading for cooling in step C is sieved, the tea stalk in tealeaves is chosen；
E, it rubs：
Tealeaves after spreading for cooling in step D is rubbed into molding using rolling machine；
F, it dries：
The moisture in the tealeaves after being rubbed in step E is dried using dryer, is dried at a temperature of 150-180 DEG C first
10-15min, then dry 8-9min at a temperature of 60-70 DEG C；
G, Titian：
Tealeaves after being dried in step F is launched and carries out Titian 20-30min in fragrance extracting machine, and makes the temperature in fragrance extracting machine
It is maintained at 70-80 DEG C, finally obtains green bud tealeaves finished product.
2. green bud preparation method according to claim 1, it is characterised in that：The rotating speed of leaf rotation bucket is in the step A
250-300r/min。
3. green bud preparation method according to claim 2, it is characterised in that：When finishing in the step B, input water-removing bucket
Tealeaves amount be 15-20kg.
4. green bud preparation method according to claim 3, it is characterised in that：When being rubbed in the step E, the temperature of rolling machine
Degree is 40-50 DEG C.
5. green bud preparation method according to claim 4, it is characterised in that：When being dried in the step F, every barrel of tealeaves
Amount is 10-13kg.
6. green bud preparation method according to claim 5, it is characterised in that：In the step G to tea aroma raising after the completion of,
Cold air of the temperature less than 20 DEG C is quickly passed through into fragrance extracting machine to cool down tealeaves.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517410.1A CN108782791A (en) | 2018-05-25 | 2018-05-25 | A kind of green bud preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517410.1A CN108782791A (en) | 2018-05-25 | 2018-05-25 | A kind of green bud preparation method |
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| CN108782791A true CN108782791A (en) | 2018-11-13 |
Family
ID=64089106
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| CN201709337U (en) * | 2010-08-02 | 2011-01-19 | 四川中测量仪科技有限公司 | Tea spreading cooling and swaying machine |
| CN103211043A (en) * | 2013-05-03 | 2013-07-24 | 贵州省凤冈县浪竹有机茶业有限公司 | Processing technique for green shoots of green tea |
| CN104872304A (en) * | 2015-06-09 | 2015-09-02 | 汉中市清波农业科技发展有限责任公司 | Preparing method of flat green tea |
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Application publication date: 20181113 |
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